872150859 has 12 divisors (see below), whose sum is σ = 1278576936. Its totient is φ = 572755392.

The previous prime is 872150827. The next prime is 872150861. The reversal of 872150859 is 958051278.

It is a happy number.

It is not a de Polignac number, because 872150859 - 2⁵ = 872150827 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (872150809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 722574 + ... + 723779.

It is an arithmetic number, because the mean of its divisors is an integer number (106548078).

Almost surely, 2^872150859 is an apocalyptic number.

872150859 is a deficient number, since it is larger than the sum of its proper divisors (406426077).

872150859 is a wasteful number, since it uses less digits than its factorization.

872150859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1446426 (or 1446423 counting only the distinct ones).

The product of its (nonzero) digits is 201600, while the sum is 45.

The square root of 872150859 is about 29532.2003751837. The cubic root of 872150859 is about 955.4263272004.

The spelling of 872150859 in words is "eight hundred seventy-two million, one hundred fifty thousand, eight hundred fifty-nine".